Proceedings of the International Conference on Magnetism
J. Phys. Colloques 49 (1988) C8-71-C8-72
DOI: 10.1051/jphyscol:1988822
DISPERSIVE HYBRIDIZATION CORRELATION AND MAGNETISM IN A TWO - BAND MODEL
M. Acquarone1 et D. K. Ray21 C.N.R., Dipartimento di Fisica dell' Universita, 43100 Parma, Italy
2 C. N.R.S., Laboratoire P.M.T.M., 93430 Villetaneuse, France
Abstract
We study a two-band Hamiltonian for hybridized and correlated bands of sc and bcc symmetry, the latter case approximating a two-dimensional band. Magnetic phase diagrams are obtained, showing in the bcc case a region of rapid phase change with filling which is absent in the sc case.